From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D6C23FC6195 for ; Fri, 8 Nov 2019 15:16:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A7F0A222C4 for ; Fri, 8 Nov 2019 15:16:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573226177; bh=nD47Fyavvt+u4/f0W65Gr+cRRT2ED6dF9mWsjBW13dc=; h=From:To:Cc:Subject:Date:List-ID:From; b=Ej18O1HFCh2skpc0kPxoasMAA3ZhWG1goQPrwvvNqHCn88b2Z4BCuHKk2k7QJIcPl f7D5ylpa3KXToCvsaBl8Buw/byAj/AqO4HYkdPqFyAcOEpz/2yEnOp369zQYtgwJ7M a6qiXevfbo+kkUQl1IQL3FUNZMFeLh2s1wkR8fX8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726977AbfKHPQQ (ORCPT ); Fri, 8 Nov 2019 10:16:16 -0500 Received: from mail.kernel.org ([198.145.29.99]:35826 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726095AbfKHPQQ (ORCPT ); Fri, 8 Nov 2019 10:16:16 -0500 Received: from localhost.localdomain (236.31.169.217.in-addr.arpa [217.169.31.236]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 8EBE2214DB; Fri, 8 Nov 2019 15:16:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573226175; bh=nD47Fyavvt+u4/f0W65Gr+cRRT2ED6dF9mWsjBW13dc=; h=From:To:Cc:Subject:Date:From; b=p2x2OLB9c0MkLxp4toBA4qT2FhiYuS31bX+d7J29WYWWLOgeJ+Y7yso8TiOKCaPJ9 +N/wg4fwi0M12IGed/UzywZb4K/G9EiVycGbhAdw4ACh1Tuo9xw11EnSZ/BDXEXz7c UhLbZj/ZNuo/+4fCyWbeiNITXN2d+NxNy9daP8eA= From: Will Deacon To: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org Cc: Will Deacon , Jean-Philippe Brucker , Jordan Crouse , John Garry , Bjorn Helgaas , Saravana Kannan , "Isaac J. Manjarres" , Robin Murphy , Lorenzo Pieralisi , Joerg Roedel Subject: [PATCH v2 0/9] iommu: Permit modular builds of ARM SMMU[v3] drivers Date: Fri, 8 Nov 2019 15:15:59 +0000 Message-Id: <20191108151608.20932-1-will@kernel.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi all, This is version two of the patches I previously posted here: https://lore.kernel.org/lkml/20191030145112.19738-1-will@kernel.org/ Changes since v1 include: * Build single "arm-smmu-mod.ko" module for the Arm SMMU driver * Hold a reference to the IOMMU driver module across {add,remove}_device() * Take a reference to the IOMMU driver module during of_xlate() * Added Bjorn's ack on the PCI export patch Please note that I haven't been able to test this properly, since I don't currently have access to any Arm SMMU hardware. Cheers, Will Cc: Jean-Philippe Brucker Cc: Jordan Crouse Cc: John Garry Cc: Bjorn Helgaas Cc: Saravana Kannan Cc: "Isaac J. Manjarres" Cc: Robin Murphy Cc: Lorenzo Pieralisi Cc: Joerg Roedel --->8 Will Deacon (9): drivers/iommu: Export core IOMMU API symbols to permit modular drivers iommu/of: Request ACS from the PCI core when configuring IOMMU linkage PCI: Export pci_ats_disabled() as a GPL symbol to modules drivers/iommu: Take a ref to the IOMMU driver prior to ->add_device() iommu/of: Take a ref to the IOMMU driver during ->of_xlate() Revert "iommu/arm-smmu: Make arm-smmu-v3 explicitly non-modular" iommu/arm-smmu-v3: Allow building as a module Revert "iommu/arm-smmu: Make arm-smmu explicitly non-modular" iommu/arm-smmu: Allow building as a module drivers/iommu/Kconfig | 16 ++++++- drivers/iommu/Makefile | 3 +- drivers/iommu/arm-smmu-v3.c | 27 +++++++----- drivers/iommu/arm-smmu.c | 87 ++++++++++++++++++++++--------------- drivers/iommu/iommu-sysfs.c | 5 +++ drivers/iommu/iommu.c | 27 +++++++++++- drivers/iommu/of_iommu.c | 17 +++++--- drivers/pci/pci.c | 1 + include/linux/iommu.h | 2 + 9 files changed, 130 insertions(+), 55 deletions(-) -- 2.24.0.rc1.363.gb1bccd3e3d-goog